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Braindumps of 70-549

Designing and Developing Enterprise

Applications by Using the Microsoft.NET Framework

 

Exam Questions, Answers, Braindumps (70-549)

This braindump is provided with ratings from different students. I used www.examcheats.net study material and the exam was not a problem for me.

 

Question: 1

You are an enterprise application developer at Company.com. You create a three-tier Web-based application that accesses 10 external Web services to retrieve currency rates. You need to calculate product prices in ten currencies. A smart client invoicing application accesses the business tier to retrieve and use the product prices in 10 currencies. The business tier calls the 10 external Web services. You create a separate service agent component to encapsulate the logic of which Web service to call. This component also makes it easier to change the Web referances when required Your team plans to deploy this service agent in the Web presentation tier. You need to evaluate whether your team's deployment plan meets the requirements and recommend accordingly.

What should you conclude?

A. The current deployment plan meets the requirements.

B. The current deployment plan does not meet the requirements. The service agent must be deployed in the business tier as well as the Web presentation tier.

C. The current deployment plan does not meet the requirements. The service agent must be deployed in the business tier.

D. The current deployment plan does not meet the requirements. The service agent must be deployed in the Web presentation tier as well as the smart client applications.

Answer:

Question: 2

You are an enterprise application developer at Company.com. An intermediate level programmer is preparing the request to place your distributed application into the production environment. According to corporate IT policies, you must specify the production server and network requirements to the production support personnel to review the application. Your application is a mission critical system. You are using three Microsoft Windows Server 2003 application servers that are clustured by using Microsoft Windows Network Load Balancing. The three application servers have the following network configuration: Company1

- IP Address: 172.30.103.40

- Subnet Mask: 255.255.255.0

- Default Gateway: 172.30.103.1

Company2

- IP Address: 172.30.102.41

- Subnet Mask: 255.255.255.0

- Default Gateway: 172.30.102.1

Company3

- IP Address: 172.30.102.42

- Subnet Mask: 255.255.255.0

- Default Gateway: 172.30.102.1

You need to validate the network settings for the three application servers, making corrections if necessary. What should you conclude?

A. The network settings are correct.

B. The network settings are incorrect. Company1 must have an IP Address of 172.30.103.40 and a Default Gateway of 172.30.102.1.

C. The network settings are incorrect. Company1 must have an IP Address of 172.30.102.41 and a Default Gateway of 172.30.102.1.

D. The network settings are incorrect. Company1 must have an IP Address of 172.30.102.40 and a Default Gateway of 172.30.102.1.

Answer:

Question: 3

You are an enterprise application developer at Company.com. You create a layered enterprise application that consists of a user interface layer, a business layer, and a data layer. The user interface layer is currently implemented as a smart client. End users now also need to access the enterprise application over the Web. To permit this, you create a Web client application. You also create a user interface process layer as a separate assembly. This assembly encapsulates the validation rules that apply to the end user interaction with the system. In the new version of the application, all user insterfaces wil use the new user interface process layer. The implementation of the new version of the application is as shown in the following diagram. (Click the Exhibit button.) Your team plans to deploy the user interface process assembly on the Web server. You need to evaluate whether the deployment plan fulfills the requirements and recommend change, if required. What should you conclude?

 

A. The deployment plan fulfills the requirements.

B. The deployment plan does not fulfill the requirements. You must install the user interface process assembly in the application server.

C. The deployment plan does not fulfill the requirements. You must install the user interface process assembly in the smart client applicatios.

D. The deployment plan does not fulfill the requirements. You must install the user interface process assembly in the Web server as well as in the smart client applications.

Answer:

Question: 4

You are an enterprise application developer at Company.com. Your company has a Web-based application that runs on a single Web server. Session information is currently being stored by using the default session mode. You are redesigning the application to run in a Web farm. You must ensure that the failure of any single server does not make session information unavailable. A developer in you team recommends using the default session mode on each server in the Web farm. You need to evaluate this recommendation. What should you conclude?

A. The recommended solution meets the requirements.

B. The recommended solution does not meet the requirements. Store the session information in a separate state process on each Web server in the Web farm.

C. The recommended solution does not meet the requirements. Store the session information in a separate state process on a dedicated session state server.

D. The recommended solution does not meet the requirements. Store the session information in a

Answer:

Question: 5

You are an enterprise application developer at Company.com. You are creating a three-tier application. The business layer contains 10 business functions. These business functions write messages to message queues and update records in a Microsoft SQL Server database. You need to identify the transaction mechanism for these business functions to group both the activities together as one atomic transaction unit. Which transaction mechanism should you choose?

A. ADO.NET transaction.

B. T-SQL transaction.

C. COM+ transaction.

D. ASP.NET transaction.

Answer:

Question: 6

You are an enterprise application developer at Company.com. You are creating an application for the sales department. Users in the sales department are occasionally connected to the network. Users enter orders through a smart client interface. The orders are sent to a business component that is installed on an application server. The business component updates the orders. You need to ensure that the orders are reliably delivered to the server. Which technology should you choose?

A. .NET Remoting.

B. Web services.

C. Message Queuing.

D. DCOM.

Answer:

Question: 7

You are an enterprise application developer at Company.com. You are creating an application. The application uses different database products for different customers. You need to ensure maximum reuse of the code that is available in the different layers of the application. You also need to ensure that the application uses the unique features of each database product. Which layer should you create for each database product?

A. Business layer

B. Data access layer

C. Business process layer

D. Service layer

Answer:

Question: 8

You are an enterprise application developer at Company.com. You are evaluating a database design for a human resource application. The existing database schema meets the following criteria:

- The database has an Employee table.

- The Employee table has an Employee ID field and several other fields.

You must accommodate the following new requirements:

- Employees are either supervisors or line workers.

- A supervisor will supervise zero or more line workers.

- An employee will be supervised by only one supervisor.

A database administrator suggests creating a table named Supervisor and copying the supervisor data from the Employee table to the new table. The database administrator also wants to create a foreign key in the Supervisor table to reference the Employee table. You need to evaluate the suggested change to ensure that there is minimal impact on the existing database schema. What should you conclude?

A. The suggested schema change will meet the requirements.

B. The suggested schema change will not meet the requirements. Recommend creating a table named Supervisor and copying the supervisor data from the Employee table to the new table.
Create a foreign key in the Employee table to referance the Supervisor table.

C. The suggested schema change will not meet the requirements. Recommend creating a column named SupervisorID in the Employee table to reference the supervisor for an employee. Create a foreign key between this column and the Employee table.

D. The suggested schema change will not meet the requirements. Recommend creating a column named LineWorkerID in the Employee table to reference the line worker for a supervisor. Create a foreign key between this column and the Employee table.

Answer:

 

 

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